Succession
Succeeds as King of Northumbria
Role range: 0849-0866
Historical biography archive · Updated 2026-11-03
Osbert Biography and Timeline
Follow Osbert through 6 dated historical records for England.
Osbert, historical timeline
A chronological timeline drawn from matching World History Database records.
6Distinct records
1 of 1Page
849–867Years on this page
849
863
Succession
Aelle joins Osbert as co-ruler of Northumbria
Role range: 0849-0866
866
Abdication
Deposed after capturing Lindesfarne from the Church
Role range: 0849-0866
867
Death of Osbert
Death of York, killed in battle trying to recapture York from the Vikings
Role range: 0849-0866
Capture of York
Killed in battle trying to recapture York from the Vikings
Role range: 0849-0866
Siege of York
Killed in battle trying to recapture York from the Vikings. Following the loss of York, Osberht and Aella form an alliance against the Danes, they launch a counterattack, but the Danes kill both Osberht and Aella and set up a puppet king on Northumbrian throne
Role range: 0849-0866
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.